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Raleigh Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January27°F43°F34°F5.0"
February28°F46°F36°F4.8"
March39°F59°F48°F4.5"
April48°F70°F58°F10.6"
May57°F78°F67°F6.0"
June66°F87°F76°F7.6"
July67°F88°F77°F6.8"
August65°F87°F76°F5.4"
September58°F82°F69°F6.5"
October47°F71°F58°F3.5"
November37°F58°F47°F6.2"
December31°F47°F38°F8.9"

Did you know?

  • The highest monthly average temperature in Raleigh for July is 77 degrees.
  • The lowest monthly average temperature in Raleigh for January is 34 degrees.
  • The most monthly precipitation in Raleigh occurs in April with 10.6 inches.
  • The air quality index in Raleigh is 21% better than the national average.
  • The pollution index in Raleigh is 97% better than the national average.

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Compare Raleigh, IL Weather To Other Cities

Raleigh air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexRaleighIllinoisNational
Air quality index394150
Pollution index125,3593,347,2955,066,862

Raleigh air quality information

MeasurementTotal
Days measured243
Days with good air quality204
Days with moderate air quality39
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Raleigh air quality information

PollutantTotal
Arsenic0.000%
Benzene0.003%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Raleigh temperature with heat index

Raleigh monthly precipitation with daily maximum

Raleigh monthly snow depth with daily maximum

Raleigh monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Carrier Mills, IL2,1293628%
Stonefort, IL4203628%
Broughton, IL1713922%
Galatia, IL9403922%
Harrisburg, IL9,4183922%
Raleigh, IL3083922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Carolina, AL3083138%
Cross Timber, TX3083334%
Oak Island, TX308524%
Coal Creek town, CO3084216%
Wallaceton, PA3083922%
Raleigh, IL3083922%
Source: The Raleigh, IL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.